Folium vermis
Folium vermis is a part of the cerebellum, which is a major structure of the hindbrain. The cerebellum is involved in the coordination of voluntary motor movement, balance, and equilibrium, as well as muscle tone. The folium vermis is specifically located in the superior part of the vermis, which is the narrow, worm-like structure between the two hemispheres of the cerebellum.
Anatomy[edit | edit source]
The folium vermis is situated in the posterior part of the superior vermis. It is bordered anteriorly by the culmen and posteriorly by the declive. The folium vermis is part of the cerebellar cortex, which is composed of gray matter and is responsible for processing information from various parts of the brain and spinal cord to fine-tune motor activity.
Function[edit | edit source]
The primary function of the folium vermis, like other parts of the cerebellum, is to integrate sensory information and coordinate voluntary movements. It plays a crucial role in maintaining balance and posture by processing input from the vestibular system, proprioceptive signals from the spinal cord, and motor commands from the cerebral cortex.
Clinical Significance[edit | edit source]
Damage to the folium vermis can result in a variety of motor deficits. These may include ataxia, which is characterized by a lack of voluntary coordination of muscle movements, and dysmetria, which is the inability to judge the distance or scale of a movement. Such damage can occur due to stroke, tumors, or degenerative diseases like spinocerebellar ataxia.
Related Structures[edit | edit source]
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External Links[edit | edit source]
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Contributors: Prab R. Tumpati, MD